2a-36-14+ 106 -7 =
-32-5+2 a 3-a +14=
3a-2b-ctho-b+ 20 =
1-42 +5b-7 + 19 -4a-6-46=
12x - 2x - 4 + 5 x 6 x 12 =
3x² - 4x +5-0²-12x-7 =
3y - 2 g - g + 5y²-29 - 12 =​